Help me find the answers please I’m timed!
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Answers: 1
Physics, 22.06.2019 21:30
What describes the formation of horizon b? a. forms at the surface b. features parent material c. undergoes the most change d. forms due to decomposed material i think the answer is c. undergoes the most change
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Physics, 23.06.2019 13:00
Ab+c --> ac+b is the general equation for which one of the following types of chemical reactions? a.) combination b.) single-displacement c.) decomposition d.) double-displacement
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Physics, 23.06.2019 16:00
When a charged balloon sticks to a wall, the downward gravitational force is balanced by an upward static friction force. the normal force is provided by the electrical attraction between the charged balloon and the equal but oppositely charged polarization induced in the wall's molecules. if the mass of a balloon is 1.2 g, its coefficient of static friction with the wall is 0.71, and the average distance between the opposite charges is 0.80 mm, what minimum amount of charge must be placed on the balloon in order for it to stick to the wall? express your answer to two significant figures and include appropriate units.
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Physics, 23.06.2019 22:50
Daniel is 50.0 meters away from a building. he observes that his line-of-sight to the tip of the building makes an angle of 63.0° with the horizontal. what is the height of the building?
Answers: 3
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